.title {
    font-weight: bold;
    font-size: 1.5rem;
    margin-top: .5rem;
    margin-bottom:.5rem;

    .title-back {
        line-height: 40px;
        margin-right: 10px;
    };

    .title-back {
        line-height: 40px;
    }
}

@mixin content {
    background-color: #fff;
    padding: 10px;
    border-radius: 2px;
}

.content {
    @include content;
}